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-rw-r--r--drivers/md/raid1.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index 5fc4ca1af863..e743a64fac4f 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -126,4 +126,6 @@ struct r1bio_s {
*/
#define R1BIO_Returned 6
+extern int md_raid1_congested(mddev_t *mddev, int bits);
+
#endif